DE59203037D1 - Magnetic record carrier. - Google Patents
Magnetic record carrier.Info
- Publication number
- DE59203037D1 DE59203037D1 DE59203037T DE59203037T DE59203037D1 DE 59203037 D1 DE59203037 D1 DE 59203037D1 DE 59203037 T DE59203037 T DE 59203037T DE 59203037 T DE59203037 T DE 59203037T DE 59203037 D1 DE59203037 D1 DE 59203037D1
- Authority
- DE
- Germany
- Prior art keywords
- record carrier
- magnetic record
- magnetic
- carrier
- record
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/62—Record carriers characterised by the selection of the material
- G11B5/68—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent
- G11B5/70—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer
- G11B5/706—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by the composition of the magnetic material
- G11B5/70626—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by the composition of the magnetic material containing non-metallic substances
- G11B5/70636—CrO2
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4142166A DE4142166A1 (en) | 1991-12-20 | 1991-12-20 | MAGNETIC RECORDING CARRIER |
Publications (1)
Publication Number | Publication Date |
---|---|
DE59203037D1 true DE59203037D1 (en) | 1995-08-31 |
Family
ID=6447606
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE4142166A Withdrawn DE4142166A1 (en) | 1991-12-20 | 1991-12-20 | MAGNETIC RECORDING CARRIER |
DE59203037T Expired - Fee Related DE59203037D1 (en) | 1991-12-20 | 1992-12-05 | Magnetic record carrier. |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE4142166A Withdrawn DE4142166A1 (en) | 1991-12-20 | 1991-12-20 | MAGNETIC RECORDING CARRIER |
Country Status (4)
Country | Link |
---|---|
US (1) | US5378383A (en) |
EP (1) | EP0548642B1 (en) |
JP (2) | JPH05274653A (en) |
DE (2) | DE4142166A1 (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4339841A1 (en) * | 1993-11-23 | 1995-05-24 | Basf Magnetics Gmbh | Finely divided needle-like magnetic chromium di:oxide |
FR2742543B1 (en) * | 1995-12-19 | 1998-02-13 | Univ Geneve | RELIABLE INTEGRATED ELECTROCHEMICAL MICROSENSORS AND MICROSYSTEMS FOR DIRECT CHEMICAL ANALYSIS OF COMPOUNDS IN AQUEOUS COMPLEX MEDIA |
DE19714161A1 (en) * | 1997-04-05 | 1998-10-08 | Emtec Magnetics Gmbh | Magnetic record carrier |
EP1534634A2 (en) * | 2002-08-29 | 2005-06-01 | Tata Institute of Fundamental Research | Chromium dioxide (cro sb 2 /sb ) and composites of chromium dioxide and other oxides of chromium such as cro sb 2 /sb /cr sb 2 /sb o sb 3 /sb and cro sb 2 /sb /cr sb 2 /sb o sb 5 /sb and process for manufacturing the same |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4698220A (en) * | 1986-03-28 | 1987-10-06 | E. I. Du Pont De Nemours And Company | Partitioned reduction process for ferromagnetic chromium dioxide |
DE3837646A1 (en) * | 1988-11-05 | 1990-05-10 | Basf Ag | NEEDLE-SHAPED, ESSENTIAL CHROMDIOXIDE, FERROMAGNETIC MATERIAL |
-
1991
- 1991-12-20 DE DE4142166A patent/DE4142166A1/en not_active Withdrawn
-
1992
- 1992-12-05 DE DE59203037T patent/DE59203037D1/en not_active Expired - Fee Related
- 1992-12-05 EP EP92120786A patent/EP0548642B1/en not_active Expired - Lifetime
- 1992-12-09 JP JP4329198A patent/JPH05274653A/en active Pending
-
1993
- 1993-08-20 US US08/109,425 patent/US5378383A/en not_active Expired - Fee Related
-
2001
- 2001-09-12 JP JP2001277009A patent/JP2002097020A/en active Pending
Also Published As
Publication number | Publication date |
---|---|
EP0548642A1 (en) | 1993-06-30 |
EP0548642B1 (en) | 1995-07-26 |
JPH05274653A (en) | 1993-10-22 |
JP2002097020A (en) | 2002-04-02 |
US5378383A (en) | 1995-01-03 |
DE4142166A1 (en) | 1993-06-24 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8327 | Change in the person/name/address of the patent owner |
Owner name: EMTEC MAGNETICS GMBH, 67059 LUDWIGSHAFEN, DE |
|
8339 | Ceased/non-payment of the annual fee | ||
8370 | Indication of lapse of patent is to be deleted | ||
8339 | Ceased/non-payment of the annual fee |